#!/usr/bin/env python3
"""
快速修复脚本 - 修复数据库字段缺失问题

使用方法:
1. 确保config.py中数据库配置正确
2. 运行: python quick_fix.py
"""

import os
import sys

# 添加项目路径
sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))

from app import create_app, db
from app.models import Admin, AuditLog

def fix_database():
    """修复数据库结构"""
    app = create_app()

    with app.app_context():
        print("=" * 60)
        print("开始修复数据库...")
        print("=" * 60)

        try:
            # 检查admin表结构
            print("\n1. 检查admin表字段...")
            admin_columns = [c.name for c in Admin.__table__.columns]
            print(f"   当前字段: {', '.join(admin_columns)}")

            # 检查is_deleted字段
            if 'is_deleted' not in admin_columns:
                print("   ⚠️  缺少 is_deleted 字段，正在添加...")
                db.session.execute("ALTER TABLE admin ADD COLUMN is_deleted INT NOT NULL DEFAULT 0")
                db.session.execute("ALTER TABLE admin ADD COLUMN delete_time DATETIME NULL")
                db.session.execute("CREATE INDEX ix_admin_is_deleted ON admin(is_deleted)")
                db.session.commit()
                print("   ✅ 已添加 is_deleted 和 delete_time 字段")
            else:
                print("   ✅ is_deleted 字段已存在")

            # 检查delete_time字段
            if 'delete_time' not in admin_columns:
                print("   ⚠️  缺少 delete_time 字段，正在添加...")
                db.session.execute("ALTER TABLE admin ADD COLUMN delete_time DATETIME NULL")
                db.session.commit()
                print("   ✅ 已添加 delete_time 字段")
            else:
                print("   ✅ delete_time 字段已存在")

            # 检查audit_log表
            print("\n2. 检查audit_log表...")
            try:
                AuditLog.query.count()
                print("   ✅ audit_log 表存在")
            except Exception as e:
                print(f"   ⚠️  audit_log 表不存在或有问题: {e}")
                print("   正在创建...")
                db.session.execute("""
                    CREATE TABLE audit_log (
                        log_id INT AUTO_INCREMENT PRIMARY KEY,
                        admin_id INT NOT NULL,
                        action VARCHAR(32) NOT NULL,
                        target_type VARCHAR(32) NOT NULL,
                        target_id INT NULL,
                        details TEXT NULL,
                        ip_address VARCHAR(32) NULL,
                        user_agent VARCHAR(256) NULL,
                        create_time DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
                        FOREIGN KEY (admin_id) REFERENCES admin(admin_id)
                    )
                """)
                db.session.execute("CREATE INDEX ix_audit_log_admin_id ON audit_log(admin_id)")
                db.session.execute("CREATE INDEX ix_audit_log_action ON audit_log(action)")
                db.session.execute("CREATE INDEX ix_audit_log_create_time ON audit_log(create_time)")
                db.session.commit()
                print("   ✅ audit_log 表创建成功")

            # 验证修复
            print("\n3. 验证修复结果...")
            admin_columns = [c.name for c in Admin.__table__.columns]
            assert 'is_deleted' in admin_columns, "is_deleted 字段缺失"
            assert 'delete_time' in admin_columns, "delete_time 字段缺失"
            print("   ✅ admin 表结构正确")

            audit_columns = [c.name for c in AuditLog.__table__.columns]
            print("   ✅ audit_log 表存在")

            print("\n" + "=" * 60)
            print("✅ 数据库修复完成!")
            print("=" * 60)

            return True

        except Exception as e:
            db.session.rollback()
            print("\n" + "=" * 60)
            print("❌ 修复失败!")
            print(f"错误: {str(e)}")
            print("=" * 60)
            import traceback
            traceback.print_exc()
            return False

def main():
    """主函数"""
    print("\n" + "=" * 60)
    print("数据库快速修复工具")
    print("=" * 60 + "\n")

    # 检查config.py
    if not os.path.exists('config.py'):
        print("⚠️  未找到 config.py 文件")
        print("请确保在项目根目录运行此脚本\n")

    # 修复数据库
    success = fix_database()

    if success:
        print("\n✅ 可以启动应用了!")
        print("运行: python run.py\n")
        return 0
    else:
        print("\n❌ 修复失败，请检查错误信息\n")
        return 1

if __name__ == '__main__':
    sys.exit(main())